| article html file updated | 31 August 2025 03:52 CEST | Update | https://www.mdpi.com/2079-9721/7/4/57 |
| article html file updated | 20 July 2022 00:30 CEST | Update | N/A |
| article html file updated | 14 February 2020 05:51 CET | Update | N/A |
| article html file updated | 31 December 2019 12:08 CET | Update | N/A |
| article html file updated | 16 November 2019 02:53 CET | Original file | N/A |
| article pdf uploaded. | 16 November 2019 02:52 CET | Updated version of record | https://www.mdpi.com/2079-9721/7/4/57/pdf |
| article xml uploaded. | 16 November 2019 02:52 CET | Update | https://www.mdpi.com/2079-9721/7/4/57/xml |
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| article pdf uploaded. | 1 November 2019 10:09 CET | Version of Record | https://www.mdpi.com/2079-9721/7/4/57/pdf-vor |
| article xml file uploaded | 1 November 2019 10:09 CET | Original file | N/A |
